132 lines
3.4 KiB
C
132 lines
3.4 KiB
C
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/*
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This file is part of SECONDO.
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Copyright (C) 2013, University in Hagen, Department of Computer Science,
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Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef TILEALGEBRA_ATRANGE_H
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#define TILEALGEBRA_ATRANGE_H
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/*
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SECONDO includes
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*/
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#include "AlgebraTypes.h"
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#include "DateTime.h"
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#include "Operator.h"
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#include "QueryProcessor.h"
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#include "Algebras/Rectangle/RectangleAlgebra.h"
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/*
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TileAlgebra includes
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*/
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#include "../Constants.h"
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#include "../Types/Types.h"
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/*
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declaration of namespace TileAlgebra
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*/
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namespace TileAlgebra
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{
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/*
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Struct atrangeInfo describes name, syntax, meaning and signature
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of TileAlgebra operator atrange.
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author: Dirk Zacher
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*/
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struct atrangeInfo : OperatorInfo
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{
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atrangeInfo()
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{
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name = "atrange";
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syntax = "_ atrange [_,_,_]";
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meaning = "Returns the values at range of the rectangle.";
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std::vector<std::string> typeParameterx;
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typeParameterx.push_back("x");
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std::vector<std::string> tileAlgebraTypes;
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tileAlgebraTypes.push_back(TYPE_NAME_PREFIX_T);
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tileAlgebraTypes.push_back(TYPE_NAME_PREFIX_MT);
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std::vector<std::string> typeParameterT;
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typeParameterT.push_back("T");
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std::vector<std::string> valueWrapperTypes;
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GetValueWrapperTypes(valueWrapperTypes);
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signature = std::string("xT") + " x " +
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Rectangle<2>::BasicType() +
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RIGHT_ARROW + "xT" +
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FOR + GetTypeParametersDomain(typeParameterx,
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tileAlgebraTypes) +
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", " + GetTypeParametersDomain(typeParameterT,
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valueWrapperTypes);
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appendSignature(std::string(TYPE_NAME_PREFIX_MT) + "T" + " x " +
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Rectangle<2>::BasicType() + " x " +
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Instant::BasicType() + " x " +
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Instant::BasicType() +
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RIGHT_ARROW + TYPE_NAME_PREFIX_MT + "T" +
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FOR + GetTypeParametersDomain(typeParameterT,
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valueWrapperTypes));
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}
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};
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/*
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declaration of atrangeFunctions array.
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*/
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extern ValueMapping atrangeFunctions[];
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/*
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Method atrangeSelectFunction returns the index of specific atrange function
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in atrangeFunctions array depending on the arguments.
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author: Dirk Zacher
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parameters: arguments - arguments of atrange operator
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return value: index of specific atrange function in atrangeFunctions
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exceptions: -
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*/
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int atrangeSelectFunction(ListExpr arguments);
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/*
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Method atrangeTypeMappingFunction returns the return value type
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of atrange operator in the form of a ListExpr.
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author: Dirk Zacher
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parameters: arguments - arguments of atrange operator
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return value: return value type of atrange operator
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exceptions: -
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*/
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ListExpr atrangeTypeMappingFunction(ListExpr arguments);
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}
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#endif // TILEALGEBRA_ATRANGE_H
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